Expansion of (x^4+x^3-x^2+x)/(x^3+x^2-3*x+1).

Terms

a(0) =0a(1) =1a(2) =2a(3) =6a(4) =16a(5) =40a(6) =98a(7) =238a(8) =576a(9) =1392a(10) =3362a(11) =8118a(12) =19600a(13) =47320a(14) =114242a(15) =275806a(16) =665856a(17) =1607520a(18) =3880898a(19) =9369318a(20) =22619536a(21) =54608392a(22) =131836322a(23) =318281038a(24) =768398400a(25) =1855077840a(26) =4478554082a(27) =10812186006a(28) =26102926096a(29) =63018038200